Overall a good tyre, that withstand very hot road temperatures and good on wet performance, but very noisy. 45000km done and the tyres are baked due to the desert temperature 50c, still lots of tread .
250/40 R18 Tyres
Everything we know about the 250/40 R18 tyre size: 1 owner reviews covering 35,000 miles of driving, and EU label data for the tyres you can actually buy in it.
- 1owner reviews
- 35,000 milescovered on them
- 4tyres made in this size
What does 250/40 R18 mean?
A 250/40 R18 tyre is 250 mm wide, its sidewall is 40% of that width (100 mm) tall, and it fits a 18 inch wheel. That gives an overall diameter of roughly 657 mm.
| Section width | 250 mm |
|---|---|
| Sidewall height | 100 mm |
| Rim diameter | 18" (457 mm) |
| Overall diameter | ≈ 657 mm |
| Circumference | ≈ 2,065 mm |
| Revolutions per km | ≈ 484 |
| Revolutions per mile | ≈ 779 |
Also written as
250/40R18 250/40 ZR18 250-40-18 250 40 18
Figures are calculated from the nominal size. A loaded, rolling tyre runs a few percent smaller, and true widths vary slightly between makes.
What cars use 250/40 R18 tyres?
The cars most often running this size in our owner reviews. Each links to the best rated tyres for that exact car.
What drivers say about their 250/40 R18 tyres
The most recent owner reviews fitted in this size, in their own words.
Drive on 250/40 R18 tyres?
Review your tyres and help the next driver choose. It takes about five minutes, and every review on this page came from a driver who took them.
Where this data comes from
Owner ratings are submitted through the review form on this site, naming the tyre, the size and the distance covered, and are checked by hand before publication. Test results come from independent published tyre tests indexed by size, and label values from the EU EPREL database.
About the TR Score
The Tyre Reviews Score rates each tyre out of 10 using independent test results and the full body of owner reviews, so you can check a car-specific ranking against the wider evidence.
Who does the testing
Every test published as a Tyre Reviews test is run by Jonathan Benson, who has been testing tyres independently since 2007.